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- Keywords Cyanogen chloride;gas pollution;cyanuric trichloride;spectrophotometry; 氯化氰;气态污染物;三聚氯氰;分光光度法;
- cyanuric trichloride [化] 三聚氰氯; 三聚氰酰氯
- In mammals, the toxicity of cyanuric acid (CYA) administered by itself is low. 在哺乳动物,三聚氰酸(CYA尿氰酸)单独被执行的毒性是低的。
- Significant changes have been noted where sensors were exposed to trichloride. 当传感器暴露在三氯化物中时,有很大变化。
- Cyanuric acid was present in three samples (range, 6.6 to 22.52 ppm) and negative in three samples. 氰尿酸是目前在三个样本(范围6.;6至22
- Carboxyethyl (phenyl) phosphinic acid with the yield of 69.2% was synthesized from phosphorous trichloride, benzene, sodium chloride and acrylic acid. 以三氯化磷、苯、三氯化铝、氯化钠、丙烯酸为原料合成了阻燃剂2-羧乙基苯基次磷酸,收率69.;2%25。
- Four kinds of isomer were synthesized with cyanuric chloride as row material, and characterized by the IR spectrum and Ms. 以三聚氯氰为起始原料合成了四种三嗪衍生物,并用红外光谱和质谱分析法对它们进行了表征。
- A method for preparing dimethyl phosphite was developed from methanol and phosphorous trichloride. 研究了用三氯化磷和甲醇合成亚磷酸二甲酯的方法。
- Triisopropyl phosphite was synthsized from phosphorus trichloride and isopropanol using pyridine as an organic base. 采用三氯化磷、异丙醇为原料,吡啶为有机碱合成亚磷酸三异丙酯。
- The purity determination process of cyanuric acid was introduced, such as acid-base titration, potentiometric titration, and gravimetric analysis. 介绍了测定氰尿酸纯度的方法,即酸碱滴定法、电位滴定法和重量分析法。
- Nine derivatives of S-triazine were synthesized from cyanuric chloride by amina-tion and sulfhydrylization,the structures of which were characterized. 由三聚氯氰出发,经胺化、巯基化合成了以S-三嗪为母体的九种衍生物,并对其结构进行了鉴定,其中六种化合物未见报道。
- By means of distillation-fractional condensation high purity antimony trichloride was made from antimony sulphide ore. 用蒸馏-多级冷凝法从锑矿石制取高纯度三氯化锑。
- Isoamyl acetate was synthesized by urushiol resin immobilized ferric trichloride catalyst in this paper. 用漆酚树脂固载化三氯化铁高分子催化剂合成醋酸异戊酯,对催化剂进行了红外光谱表征。
- Preventive measures to avoiding or reducing accident of nitrogen trichloride were put forward. 提出了避免或减少三氯化氮事故的预防措施。
- An easy and effective way of nitrogen trichloride colorimetric estimation is suggested in this paper. 本文提供一种简捷的三氯化氮比色测定方法。
- Melamine and its analogues - cyanuric acid, ammelide and ammeline - are assumed to be of equal potency and are referred to collectively below as melamine-analogues. 三聚氰胺和它的类似物-尿氰酸(三聚氰酸)、酰胺、三聚氰酸二酰胺-被假定为具有同等效力,以下统称为三聚氰胺类似物。
- The method for synthesizing dialkyl phosphite from phosphorus trichloride was improved. 对用三氯化磷和醇合成亚磷酸二烷基酯方法进行了改进。
- In this method the n-Butyltin trichloride, Dibutyltin-dichloride and TBTC are separated in l4mins. 用该联用方法测定三氯丁基锡、二丁基锡二氯化物、氯化三丁基锡,可以在14分钟内分离完全。
- A lot of decomposition products are formed, such as dioxoimidazole, dioxopiperazine, acid anhydride, cyanuric acid, ammonium, four, five and six-membered ring lactam etc. 可能产生二氧咪唑环、毗嗪二酮、尿氰酸、铵盐及四元环、五元环和六元环内酰胺结构的产物。
- This suggests that cyanuric acid might be a greater concern than the other analogues and doubling should more than account for cyanuric acid based on currently available data. 这表明,氰尿酸可能是一个更大的关注比其他类似物,并应增加一倍以上的占氰尿酸根据目前掌握的数据。